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Comparison of the performance properties of commercially produced roller cone bit coatings

Sylwia Koczkodaj

Sylwia Koczkodaj

Faculty of Materials Science and Engineering, Warsaw University of TechnologyWarsaw, Poland
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Koczkodaj, Sylwia
, 
Jaroslaw Mizera

Jaroslaw Mizera

Faculty of Materials Science and Engineering, Warsaw University of TechnologyWarsaw, Poland
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Mizera, Jaroslaw
, 
Dorota Moszczynska

Dorota Moszczynska

Faculty of Materials Science and Engineering, Warsaw University of TechnologyWarsaw, Poland
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Moszczynska, Dorota
, 
Joanna Zdunek

Joanna Zdunek

Faculty of Materials Science and Engineering, Warsaw University of TechnologyWarsaw, Poland
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Zdunek, Joanna
, 
Magdalena Plocinska

Magdalena Plocinska

Faculty of Materials Science and Engineering, Warsaw University of TechnologyWarsaw, Poland
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Plocinska, Magdalena
, 
Jacek Szpyrka

Jacek Szpyrka

Glinik Drilling ToolsGorlice, Poland
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Szpyrka, Jacek
, 
Marek Burkot

Marek Burkot

Glinik Drilling ToolsGorlice, Poland
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Burkot, Marek
 y 
Mateusz Szpak

Mateusz Szpak

Glinik Drilling ToolsGorlice, Poland
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Szpak, Mateusz
  
04 ago 2023
Comparison of the performance properties of commercially produced roller cone bit coatings's Cover Image
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Publicado en línea: 04 ago 2023
Páginas: 110 - 123
Recibido: 13 abr 2023
Aceptado: 29 may 2023
DOI: https://doi.org/10.2478/msp-2023-0008
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© 2023 Sylwia Koczkodaj et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig 1.

Types of roller cone bits: (a) milled-tooth bits, (b) insert-tooth bits – Glinik Drilling Tools product catalog [2]
Types of roller cone bits: (a) milled-tooth bits, (b) insert-tooth bits – Glinik Drilling Tools product catalog [2]

Fig. 2.

Different types of teeth and arms reinforcements [2]. The arrows mark the locations of the overlays
Different types of teeth and arms reinforcements [2]. The arrows mark the locations of the overlays

Fig. 3.

The samples submitted for testing by Glinik Drilling Tool: (a) gas welding; (b) plasma transferred arc welding
The samples submitted for testing by Glinik Drilling Tool: (a) gas welding; (b) plasma transferred arc welding

Fig. 4.

Cross-section of the coating made by the gas weld surfacing
Cross-section of the coating made by the gas weld surfacing

Fig. 5.

Mapping of key elements of the gas weld surfacing layer
Mapping of key elements of the gas weld surfacing layer

Fig. 6.

Spherical and polyhedral particles in the gas weld surfacing
Spherical and polyhedral particles in the gas weld surfacing

Fig. 7.

SEM micrographs of overlay made by gas welding surface with EDS spot analysis
SEM micrographs of overlay made by gas welding surface with EDS spot analysis

Fig. 8.

Cross-section of the coating made by the PTA weld surfacing
Cross-section of the coating made by the PTA weld surfacing

Fig. 9.

Mapping of key elements of the PTA weld surfacing layer
Mapping of key elements of the PTA weld surfacing layer

Fig. 10.

The microstructure of the coating is made by PTA weld surfacing with the distinction of three zones occurring in the layer
The microstructure of the coating is made by PTA weld surfacing with the distinction of three zones occurring in the layer

Fig. 11.

SEM micrographs of overlay made by PTA surface with EDS spot analysis
SEM micrographs of overlay made by PTA surface with EDS spot analysis

Fig. 12.

Results of XRD analyses on sample cross-section made by gas weld surfacing
Results of XRD analyses on sample cross-section made by gas weld surfacing

Fig. 13.

Results of XRD analyses on sample cross-section made by PTA
Results of XRD analyses on sample cross-section made by PTA

Fig. 14.

Microhardness distribution on sample cross-section made by gas weld surfacing (0mm-joint)
Microhardness distribution on sample cross-section made by gas weld surfacing (0mm-joint)

Fig. 15.

Microhardness distribution on sample cross-section made by PTA weld surfacing (0mm-joint)
Microhardness distribution on sample cross-section made by PTA weld surfacing (0mm-joint)

Fig. 16.

Comparison of the impact test results of samples made by Gas welding and PTA
Comparison of the impact test results of samples made by Gas welding and PTA

Fig. 17.

Comparison of the relative abrasion resistance of samples made by gas welding and PTA
Comparison of the relative abrasion resistance of samples made by gas welding and PTA

HV 0_1 microhardness measurements

Basis (steel) Matrix Strengthening phase
Gas Welding
average 567.0 1028.2 1699.8
SD 23.6 60.6 245.4
PTA
average 352.6 714.2 3707.6
SD 26.7 162.4 237.2

EDS spot analysis of the areas in Figure 7 (weight %)

C-K Fe-K Ni-K Co-L W-M
Base(8)_pt1 2.2 2.6 0.8 94.4
Base(8)_pt2 3.5 1.6 0.2 94.7
Base(8)_pt3 1.8 3.5 0.3 94.4
Base(8)_pt4 2.9 2.2 0.6 94.3

EDS spot analysis of the areas in Figure 11(weight %)

C-K Cr-K Fe-K Ni-K W-L
Base(49)pt1 6.6 0.3 1.5 18.4 73.2
Base(49)_pt2 3.6 0.2 0.9 13.8 81.6
Base(49)_pt3 5.9 0.2 0.7 8.8 84.5
Base(49)_pt4 4.3 0.2 0.9 12.6 81.9
Base(49)_pt5 3.8 0.3 1.1 14.9 79.9
Base(49)_pt6 3.7 0.2 0.9 16.0 79.2
Base(49)_pt7 5.4 0.1 94.3
Base(49)_pt8 5.4 0.2 88.9
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Ciencia de los materiales, Ciencia de los materiales, otros, Nanomateriales, Materiales funcionales e inteligentes, Características y propiedades de los materiales
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